# 掌上微试 vs ECC ONE

The clearest difference is iOS requirement: ECC ONE at 12.0 against 掌上微试's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

掌上微试 ships an update monthly, ECC ONE every 2 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 掌上微试 | ECC ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 73 MB | 114 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Beijing CTSmed Co.,Ltd](https://appshunter.io/developer/1036091389) | [EClinCloud (Shenzhen) Technology Co., Ltd](https://appshunter.io/developer/1572780199) |

## What reviewers say

### 掌上微试

[App page](https://appshunter.io/ios/app/id1036091390)

**Features:** Vision Pro support

**In-app purchases:** none


### ECC ONE

[App page](https://appshunter.io/ios/app/ecc-one/id6449053741)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 掌上微试 free?

掌上微试 is free to download, with no in-app purchases.

### Is ECC ONE free?

ECC ONE is free to download, with no in-app purchases.

### Do 掌上微试 or ECC ONE have ads?

Neither 掌上微试 nor ECC ONE shows ads.

### Which is updated more often, 掌上微试 or ECC ONE?

掌上微试 ships an update monthly, and ECC ONE every 2 months. Most recently, 掌上微试 was updated on September 23, 2026 and ECC ONE on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*